PUJIASTUTI, Ika. Impementasi Project Based Learning Dalam Pembelajaran Abad 21 Pada Mata Pelajaran Geografi Kelas XI IPS SMA Nasional 3 Bahasa Putera Harapan Purwokerto. Proceedings Series on Social Sciences & Humanities, [S. l.], v. 1, p. 1–13, 2021. Disponível em: https://conferenceproceedings.ump.ac.id/pssh/article/view/66. Acesso em: 15 oct. 2025.